Home / 5,456.57-8,185.76-1,758.33

Finding the Fourth Proportional to 5,456.57, 8,185.76 and 1,758.33

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Solution

The fourth proportional to 5,456.57, 8,185.76 and 1,758.33 is: 2,637.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.57 : 8,185.76 = 1,758.33 : x
  2. Step 2: Convert to fraction form
    5,456.57/8,185.76 = 1,758.33/x
  3. Step 3: Cross multiply
    5,456.57x = 8,185.76 × 1,758.33
  4. Step 4: Simplify right side
    5,456.57x = 14,393,288.21
  5. Step 5: Solve for x
    x = 14,393,288.21/5,456.57
  6. Step 6: Final answer
    x = 2,637.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.